| Name | Character | Episodes |
|---|---|---|
| Macha Méril | Signora Heller | 2 |
| Marne Maitland | Von Gunthen | 2 |
| Rossano Brazzi | Commissario Matthäi | 2 |
| Bruno Corazzari | L'autore | 2 |
| Larry Dolgin | Commissario Feller (uncredited) | 2 |
| Gisella Burinato | Signora Moser | 2 |
| Name | Character | Episodes |
|---|---|---|
| Macha Méril | Signora Heller | 2 |
| Marne Maitland | Von Gunthen | 2 |
| Rossano Brazzi | Commissario Matthäi | 2 |
| Bruno Corazzari | L'autore | 2 |
| Larry Dolgin | Commissario Feller (uncredited) | 2 |
| Gisella Burinato | Signora Moser | 2 |